package cn.tedu._01yuncat.controller;

import cn.tedu._01yuncat.base.response.JsonResult;
import cn.tedu._01yuncat.base.response.StatusCode;
import cn.tedu._01yuncat.mapper.UserMapper;
import cn.tedu._01yuncat.pojo.dto.UserLoginParam;
import cn.tedu._01yuncat.pojo.dto.UserRegParam;
import cn.tedu._01yuncat.pojo.entity.User;
import cn.tedu._01yuncat.pojo.vo.UserVO;
import com.github.xiaoymin.knife4j.annotations.ApiOperationSupport;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;

import jakarta.servlet.http.HttpSession;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import java.util.Date;

@RestController
@Slf4j
@RequestMapping("/v1/user/")
@Tag(name = "用户管理模块")
public class UserController {
    @Autowired
    private UserMapper userMapper;

    @PostMapping("reg")
    @Operation(summary = "用户注册")
    @ApiOperationSupport(order = 10)
    public JsonResult regUser(@Validated @RequestBody UserRegParam userRegParam){
        log.debug("开始处理【用户注册】的请求，参数：{}",userRegParam);

        String  usernameOf = userMapper.selectByUsername(userRegParam.getUsername());
        if (usernameOf != null){
            return JsonResult.fail(StatusCode.USERNAME_EXISTS);
        }
        User user = new User();
        BeanUtils.copyProperties(userRegParam,user);
        user.setCreateTime(new Date());
        user.setUpdateTime(new Date());
        log.debug("用户信息：" + user);
        int result = userMapper.addUser(user);
        log.debug("用户添加结果：" + result);
        if (result > 0){
            return JsonResult.ok(user);
        }
        return JsonResult.fail(StatusCode.OPERATION_FAILED);
    }

    @PostMapping("login")
    @Operation(summary = "用户登录")
    @ApiOperationSupport(order = 20)
    public JsonResult userLogin(@RequestBody UserLoginParam userLoginParam, HttpSession  session){
        log.debug("开始处理【用户登录】的请求，参数：{}",userLoginParam);
        UserVO userVO = userMapper.selectByUsernameAndPassword(userLoginParam.getUsername(),userLoginParam.getPassword());
        if (userVO == null){
            return new JsonResult(StatusCode.USERNAME_PASSWORD_ERROR);
        }
        session.setAttribute("user",userVO);
        return JsonResult.ok(userVO);
    }

    @GetMapping("currentUser")
    @Operation(summary = "获取当前登录用户")
    @ApiOperationSupport(order = 30)
    public JsonResult getCurrenUser(HttpSession  session){
        UserVO userVO = (UserVO)session.getAttribute("user");
        return JsonResult.ok(userVO);
    }

    @GetMapping("logout")
    @Operation(summary = "用户退出")
    @ApiOperationSupport(order = 40)
    public void userLogout(HttpSession  session){
        session.removeAttribute("user");
    }

}
